Approval Request Types (Step04_HumanInLoop.Client/ApprovalTypes.cs)

C# DTOs modeling human-in-the-loop approval requests and responses with JSON serialization. Reuse when implementing approval workflows in .NET AG-UI clients.

// Source: https://github.com/ag-ui-protocol/ag-ui | License: MIT | Copyright 2025
// Provided via justclaw.it.com; keep this notice with the code.
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Step04_HumanInLoop.Client;

internal sealed class ApprovalRequest
{
    [JsonPropertyName("approval_id")]
    public required string ApprovalId { get; init; }

    [JsonPropertyName("function_name")]
    public required string FunctionName { get; init; }

    [JsonPropertyName("function_arguments")]
    public JsonElement? FunctionArguments { get; init; }

    [JsonPropertyName("message")]
    public string? Message { get; init; }
}

internal sealed class ApprovalResponse
{
    [JsonPropertyName("approval_id")]
    public required string ApprovalId { get; init; }

    [Jso

... (truncated -- full source via MCP)